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Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
July 2010
Chapter 2 Alarm Troubleshooting
2.6.97 HP-TIM
Step 3
Clear the main alarm. See the appropriate alarm section in this chapter for procedures.
Step 4
If the condition does not clear, log into the Cisco Technical Support Website at
http://www.cisco.com/techsupport for more information or log into
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml to obtain a directory of toll-free
Technical Support numbers for your country.
2.6.97 HP-TIM
Default Severities: Minor (MN), Non-Service-Affecting (NSA)
SDH Logical Objects: VCMON-HP
The TIM High-Order TIM Failure alarm indicates that the trace identifier J1 byte of the high-order
(VC-4 or VC-3) overhead is faulty. HP-TIM occurs when there is a mismatch between the transmitted
and received J1 identifier byte in the SDH path overhead. The error can originate at the transmit end or
the receive end.
Clear the HP-TIM Alarm
Step 1
Use an optical test set capable of viewing SDH path overhead to determine the validity of the J1 byte.
For specific procedures to use the test set equipment, consult the manufacturer. Examine the signal as
near to the reporting card as possible.
•
Examine the signal as close as possible to the output card.
Step 2
If the output card signal is valid, complete the
“Clear the SYNCPRI Alarm” procedure on page 2-115
.
Step 3
If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or log into http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml to
obtain a directory of toll-free Technical Support numbers for your country. If the alarm applies to
VCTRM-HP, it is a service-affecting problem.
2.6.98 HP-UNEQ
Default Severity: Critical (CR), Service-Affecting (SA)
Logical ObjectS: VCMON-HP
The signal label mismatch fault (SLMF) Unequipped High-Order Path alarm applies to the C2 path
signal label byte in the high-order (VC-4) path overhead. HP-UNEQ occurs when no C2 byte is received
in the SDH path overhead.
Clear the HP-UNEQ Alarm
Step 1
From the View menu, choose
Go to Network View
.
Step 2
Right-click the alarm to display the Select Affected Circuits shortcut menu.
Step 3
Click
Select Affected Circuits
.
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